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Diffstat (limited to 'arch/sh/boards/bigsur/setup.c')
| -rw-r--r-- | arch/sh/boards/bigsur/setup.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/arch/sh/boards/bigsur/setup.c b/arch/sh/boards/bigsur/setup.c new file mode 100644 index 00000000000..e69be05195f --- /dev/null +++ b/arch/sh/boards/bigsur/setup.c @@ -0,0 +1,96 @@ +/* + * + * By Dustin McIntire (dustin@sensoria.com) (c)2001 + * + * Setup and IRQ handling code for the HD64465 companion chip. + * by Greg Banks <gbanks@pocketpenguins.com> + * Copyright (c) 2000 PocketPenguins Inc + * + * Derived from setup_hd64465.c which bore the message: + * Greg Banks <gbanks@pocketpenguins.com> + * Copyright (c) 2000 PocketPenguins Inc and + * Copyright (C) 2000 YAEGASHI Takeshi + * and setup_cqreek.c which bore message: + * Copyright (C) 2000 Niibe Yutaka + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * Setup functions for a Hitachi Big Sur Evaluation Board. + * + */ + +#include <linux/config.h> +#include <linux/sched.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/ioport.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/bitops.h> + +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/machvec.h> +#include <asm/bigsur/io.h> +#include <asm/hd64465/hd64465.h> +#include <asm/bigsur/bigsur.h> + +/*===========================================================*/ +// Big Sur Init Routines +/*===========================================================*/ + +const char *get_system_type(void) +{ + return "Big Sur"; +} + +/* + * The Machine Vector + */ +extern void heartbeat_bigsur(void); +extern void init_bigsur_IRQ(void); + +struct sh_machine_vector mv_bigsur __initmv = { + .mv_nr_irqs = NR_IRQS, // Defined in <asm/irq.h> + + .mv_isa_port2addr = bigsur_isa_port2addr, + .mv_irq_demux = bigsur_irq_demux, + + .mv_init_irq = init_bigsur_IRQ, +#ifdef CONFIG_HEARTBEAT + .mv_heartbeat = heartbeat_bigsur, +#endif +}; +ALIAS_MV(bigsur) + +int __init platform_setup(void) +{ + /* Mask all 2nd level IRQ's */ + outb(-1,BIGSUR_IMR0); + outb(-1,BIGSUR_IMR1); + outb(-1,BIGSUR_IMR2); + outb(-1,BIGSUR_IMR3); + + /* Mask 1st level interrupts */ + outb(-1,BIGSUR_IRLMR0); + outb(-1,BIGSUR_IRLMR1); + +#if defined (CONFIG_HD64465) && defined (CONFIG_SERIAL) + /* remap IO ports for first ISA serial port to HD64465 UART */ + bigsur_port_map(0x3f8, 8, CONFIG_HD64465_IOBASE + 0x8000, 1); +#endif /* CONFIG_HD64465 && CONFIG_SERIAL */ + /* TODO: setup IDE registers */ + bigsur_port_map(BIGSUR_IDECTL_IOPORT, 2, BIGSUR_ICTL, 8); + /* Setup the Ethernet port to BIGSUR_ETHER_IOPORT */ + bigsur_port_map(BIGSUR_ETHER_IOPORT, 16, BIGSUR_ETHR+BIGSUR_ETHER_IOPORT, 0); + /* set page to 1 */ + outw(1, BIGSUR_ETHR+0xe); + /* set the IO port to BIGSUR_ETHER_IOPORT */ + outw(BIGSUR_ETHER_IOPORT<<3, BIGSUR_ETHR+0x2); + + return 0; +} + |